Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 27, 2010
Patent Application Number
11013984
Date Filed
December 15, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A surgically implantable delivery or drainage catheter assembly includes a porous fiber membrane that is permeable to the intended drainage or delivery fluid, yet has an outer surface morphology and porosity that prevents the ingrowth of tissue. The porous fiber membrane is created using a phase-inversion process which is controlled to select a desired porosity. A reinforcement member is also disposed within the porous fiber membrane.
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